Chebyshev window, whose sidelobe level is adjustable, is adopted.
分析中采用副瓣电平可调的切比雪夫窗函数。
The adaptive sidelobe blanking(SLB) is an effective measure against active jamming.
旁瓣消隐技术(SLB)是雷达抗有源干扰的有效方法。
This paper presents a new numerical synthesis technique for low sidelobe curved arrays.
本文提出了一种新的低副瓣曲线阵数值综合方法。
The simulated result indicated that the sidelobe especially the first sidelobe is depressed.
计算机模拟结果达到了低旁瓣,尤其是第一旁瓣的效果。
The array is of simple structure, low sidelobe level and circular polarization characteristics.
该天线结构简单,具有低旁瓣与圆极化特性。
Phase-coded radar, however, has the disadvantage of higher range sidelobe and Doppler sensitivity.
当然,相位编码雷达也存在着距离旁瓣较高和多卜勒敏感等问题。
In this paper, the basic principle about the mean sidelobe level and the peak sidelobe level are described.
论述了均值旁瓣电平和峰值旁瓣电平的基本原理。
The thesis introduces the sidelobe reduction in microwave imaging and some conclusions found by foreign scholar.
本文首先引出了微波成象中的旁瓣抑制问题,介绍了这领域中前人已得到的结论。
With the help of statistic principle, the estimation formulas of the peak sidelobe level and gain loss are derived.
应用概率统计原理导出了天线副瓣最高电平和天线增益损失的估计公式。
A new way is proposed to evaluate the sidelobe requirement of an AEW radar based on analysing the clutter intensity.
在分析地杂波强度的基础上,提出了一种估算机载预警雷达天线副瓣要求的新方法。
The sidelobe suppression and Doppler compensation algorithms for biphase coded signal are emphasized on in this paper.
本文主要讨论了二相编码信号的旁瓣抑制算法和多普勒补偿算法。
Compared with conventional Eplane sectoral horn, it has low sidelobe level, short physical length and wide flare Angle.
与通常的E面扇形喇叭比较,这种喇叭具有较低的副瓣电平,短的喇叭长度和宽的张角。
Calculating result shows that it is beneficial to realize low sidelobe to keep uniform element space in including method.
结果表明,保持所有辐射裂缝单元间距相等的短路板融入法有利于低副瓣性能的实现。
The amplitude ratio of the mainlobe to sidelobe of window function is an important index and so is the maximal energy ratio.
窗函数的主辨与旁辨的振幅比和最大能量比都是窗函数的重要性能指标。
This article first presents the basic principles of sidelobe blanking(SLB)and establishes the mathematic models of radar SLB.
介绍了旁瓣消隐的原理,建立雷达旁瓣消隐技术的数学模型。
This paper analyzes the effect of amplitude phase errors on sidelobe level and beam direction in digital beam forming system.
针对旁瓣电平、波束指向等指标分析了幅相误差对数字波束形成系统的影响。
The laser beam passing through the focusing systems gets an facula, which consists of main spot and sidelobe on the focus plane.
由于光的衍射作用,使通过聚焦系统的激光束入射到特定靶面成一光斑(主光斑) ,而在主光斑以外还有次级光斑圈(旁瓣)。
The monopulse secondary surveillance radar(SSR) antenna needs sum, difference and sidelobe suppression omnidirectional channels.
单脉冲二次雷达要求天线具有和、差和副瓣抑制三个通道。
An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna.
影响机载相控阵雷达下视能力的一个重要指标是天线的超低副瓣特性。
An inverse filter for return signal to restore target signature and a restraining image sidelobe method used matched filter are provided.
提出了对回波信号逆滤波以恢复目标特征及采用匹配滤波来抑制成像旁瓣的方法。
The analyses and calculations show that the intensity of spot, spot size and sidelobe intensity oscillate with the thickness of the film.
分析和计算指出,光斑的强度、边瓣强度和光斑大小随薄膜的厚度发生振荡。
Aim the optimization and synthesis technique and mutual coupling compensation technique for ultralow sidelobe phased arrays were discussed.
目的研究超低副瓣相控阵天线的优化综合技术和互耦补偿技术。
Comparison is made on the effect of the coupling factor on the autocorrelation peak and the sidelobe compression ratio under different conditions.
将不同情况下的耦合因子对自相关峰值和旁瓣抑制比的影响作了比较。
As feed errors are distributed random, a method of adopting statistical characteristics to analyze the degradation of sidelobe levels is proposed.
由于馈电误差随机分布,提出了采用数字统计特征分析旁瓣电平恶化情况的方法。
The effects of element failure and tolerance on antenna sidelobe level and gain in solid-state active phased array is mainly discussed in this paper.
本文主要讨论天线单元失效和容差对固态有源相控阵天线副瓣电平和增益的影响。
This paper analyzes the degradation of pulse compression sidelobe due to the interference input power, bandwidth and location when notch filter is used.
本文分析了凹口滤波器零陷干扰时干扰的功率、频宽和位置对脉压输出旁瓣的影响。
The sidelobe performance of the Amplitude-Phase Code will be mainly expounded, and it is pointed out that the sidelobe level is lower than the Barker Code.
文中着重阐明各种多变量低副瓣幅相码,并指出这些幅相码的副瓣电平低于巴克码。
We study the sidelobe suppression for the pulse compression of the LFM signal, and analyze the spectrum weighting and the impulse response weighting method.
本文研究了线性调频信号脉冲压缩的旁瓣抑制问题,分析了频谱加权法和冲激响应加权法的原理。对两种方法的谱平滑效果。
The desired signal in the auxiliary antennas of guidance radar may cause Angle measurement error by using conventional adaptive sidelobe cancellation method.
制导雷达中若使用常规自适应旁瓣对消方法,辅助天线中的期望信号会引起测角误差。
The desired signal in the auxiliary antennas of guidance radar may cause Angle measurement error by using conventional adaptive sidelobe cancellation method.
制导雷达中若使用常规自适应旁瓣对消方法,辅助天线中的期望信号会引起测角误差。
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